Athletic helmet



FIG. 1 is a back-perspective view of an athletic helmet;

FIG. 2 is a front-perspective view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a left-side view thereof, the right-side view (not shown)being a mirror image.

The environmental structure shown in broken lines forms no part of theclaimed design.

CLAIM The ornamental design for an athletic helmet, as shown anddescribed.